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What about sparks while drilling or cutting and the risk of fire when there’s already grease in the duct… how do you go about avoiding that ?
What thickness or gauge is this metal you are cutting??
16 ga black steel
What about sparks while drilling or cutting and the risk of fire when there’s already grease in the duct… how do you go about avoiding that ?
What thickness or gauge is this metal you are cutting??
16 ga black steel